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Antennas : 30M
- 30 Meter Loop by N9MW
- This antenna is an easy one day construction project. It was made out of common number 12 stranded electrical wire. Read more about SWR reports and home brewing details.
[ Hits: 5211 | Votes: 3 | Rating: 4.00 ]
- Coil Winding Tips
- Tips on winding wire coils used as inductive loads, traps, band-pass filters, are implemented in a number of amateur radio projects especially antenna projects
[ Hits: 626 | Votes: 2 | Rating: 3.00 ]
- Stacking broadside collinear
- One popular rumor or thought is that antenna gain doubles every time we double the number of elements
[ Hits: 1940 | Votes: 2 | Rating: 6.00 ]
- The James Millen Society
- Millen equipment serial numbers and equipment information at W1HRX
[ Hits: 325 | Votes: 0 | Rating: 0.00 ]
- Gloucestershire Repeater Group
- operates & maintains a number of Amateur Radio Repeaters in & around the County of Gloucestershire
[ Hits: 110 | Votes: 0 | Rating: 0.00 ]
- Amateur Radio Licenses World Map
- This amateur radio world map resizes the countries based on the number of licensed operators
[ Hits: 2316 | Votes: 5 | Rating: 6.80 ]
- Tektronix - Signal Generator
- Tektronix Signal Generator web site.
A Tektronix signal generator can create a virtually unlimited number of signals - analog or digital, ideal or distorted and more.
[ Hits: 87 | Votes: 0 | Rating: 0.00 ]
- Getting started in Digital Communications
- A starting point for the ever increasing number of people wanting to get into amateur radio digital modes of communication by N8ST.
[ Hits: 289 | Votes: 1 | Rating: 1.00 ]
- Vintage QSL Collection
- This website was originally inspired by the discovery of a number of QSL (radio reception report) cards dating from the 1920s and is intended to make images of the cards available to as many people as possible.
[ Hits: 279 | Votes: 0 | Rating: 0.00 ]
- MorseFusion: The novel way to learn Morse code.
- Learn the new, natural way: Have a novel of your choice spelled out in English letter by letter. Letters and numbers gradually get replaced by Morse code.
[ Hits: 309 | Votes: 1 | Rating: 4.00 ]
- What the numbers mean in propagation
- What the Numbers Mean, and Propagation Predictions--a brief introduction to propagation and the major factors affecting it.
[ Hits: 337 | Votes: 0 | Rating: 0.00 ]
- About Smoothed Sunspot Number
- The short history of the SSN Smoothed Sunspot Number at Luxorion
[ Hits: 216 | Votes: 0 | Rating: 0.00 ]
- The FT-1000 slow display problem
- A number of users have reported that their display takes 15 seconds or more to fully come on
[ Hits: 767 | Votes: 4 | Rating: 2.75 ]
- NK7Z Amateur Radio reviews and software setups
- Amateur Radio reviews and software setups. Page contains software reviews for a number of Amateur radio software packages, services, and hardware reviews. Setups for various software, contests, hardware, and contest setups.
[ Hits: 259 | Votes: 1 | Rating: 10.00 ]
- HFUnderground.com is dedicated to documenting longwave, mediumwave, and shortwave stations, including broadcasters, utility/military stations, pirate radio and spy numbers stations.
[ Hits: 1841 | Votes: 2 | Rating: 3.00 ]
- Numbers & Oddities
- Numbers stations and other odd radio stations, espionage, jamming, cryptography, code messages, sigint
[ Hits: 393 | Votes: 2 | Rating: 5.00 ]
- E10 Spy Numbers
- This page list schedules for the E10 Spy Number shortwave radio station, commonly believed to be run by mossad.
[ Hits: 693 | Votes: 2 | Rating: 5.50 ]
- Anatomy of a Loudspeaker
- There are a number of important technical issues relating to the matching of speakers to amplifiers, and to the wiring of multiple speaker systems
[ Hits: 295 | Votes: 0 | Rating: 0.00 ]
- QLF Filter
- Microprocessor based interface designed receives a signal from a Morse key, processes it, and re-transmits it to the radio. A microprocessor in the circuit is pre-programmed with a proprietary algorithm which makes a number of measurements and adjustments to the less percise human generated code.
[ Hits: 262 | Votes: 0 | Rating: 0.00 ]
- Fix the Astron Power Supply Amp Meter
- How fix Astron 70 model number VS-70M amp meter not working
[ Hits: 248 | Votes: 0 | Rating: 0.00 ]
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